#include<bits/stdc++.h>

using namespace std;

int main() {
    int x = 3;
    cout << "x=" << (x) << endl;
    cout << "&x=" << (&x) << endl;
    int *p;
    cout << sizeof(p) << endl;
    char *q;
    cout << sizeof(q) << endl;
    return 0;
}
